AS58647 Kagawa University

KAGAWAU-AS - Kagawa University · registered in Japan

IPv4 addresses73,72850 prefixes · 0.002% of announced IPv4

Rank in Japan#90largest network in JP by IPv4 space, of 724 · 0.05% of JP

Rank worldwide#2,353of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS58647 in ASN lookup Look up an IP in this network (133.92.0.1) All networks in Japan

IPv4 prefixes

All 50 prefixes, in address order.

133.92.0.0/20
133.92.16.0/24
133.92.17.0/24
133.92.18.0/24
133.92.19.0/24
133.92.20.0/23
133.92.22.0/23
133.92.24.0/22
133.92.28.0/23
133.92.30.0/23
133.92.32.0/20
133.92.48.0/21
133.92.56.0/22
133.92.60.0/23
133.92.62.0/23
133.92.64.0/20
133.92.80.0/21
133.92.88.0/22
133.92.92.0/23
133.92.94.0/23
133.92.96.0/21
133.92.104.0/22
133.92.108.0/23
133.92.110.0/24
133.92.111.0/24
133.92.112.0/22
133.92.116.0/23
133.92.118.0/24
133.92.119.0/24
133.92.120.0/23
133.92.122.0/24
133.92.123.0/24
133.92.124.0/22
133.92.128.0/19
133.92.160.0/20
133.92.176.0/22
133.92.180.0/22
133.92.184.0/21
133.92.192.0/21
133.92.200.0/21
133.92.208.0/21
133.92.216.0/22
133.92.220.0/22
133.92.224.0/20
133.92.240.0/20
202.252.64.0/20
202.252.80.0/21
202.252.88.0/22
202.252.92.0/23
202.252.94.0/23

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS9621#87 II-OKINAWA - Okinawa Telecommunication Network Co.,Inc76,800

AS2505#88 HEPNET-J - High Energy Accelerator Research Organization, KEK74,240

AS10000#89 NCM - Nagasaki Cable Media Inc.73,728

AS23781#91 Toyama-AN-AS - Toyama University72,704

AS17939#92 MCN-NET01 - miyazaki cabletelevision network Co.,LTD71,680

AS9615#93 TEES - TOYOHASHI CABLE NETWORK INC.71,680

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources